@inbook{NBERc9789,
 Crossref = "NBERfeld88-4",
 title = "Developing Country Debt",
 author = "Jeffrey D. Sachs and Anthony M. Solomon and William S. Ogden and Eduardo Wiesner and R. T. McNamar",
 BookTitle = "International Economic Cooperation",
 Publisher = "University of Chicago Press",
 pages = "233-320",
 year = "1988",
 URL = "http://www.nber.org/chapters/c9789",
}
@book{NBERfeld88-4,
 title = "International Economic Cooperation",
 author = "Martin Feldstein",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1988",
 URL = "http://www.nber.org/books/feld88-4",
}